100mm VIDEO-GRAPHICS RECORDER: ISOLATED TRANSMITTER POWER SUPPLY
Page 1HA027489
Issue 1 Jly 01
Black
Black
Black
Red
Red
Red
+
Transmitter
+
-
Other transmitters
V+
V-
Channel input
+ +
Only one channel
shown, for clarity.
Long terminal cover
Recorder rear
terminal panel
User terminal block
I
R
Transmitter Power Supply
PCB
0 mA
4 mA
20 mA
0 V
0.4 V
2.0 V
0 V
1.0 V
5.0V
100
250
Voltages generated by
various currents for
R = 100
and R =250
R (minimum spec) = 1.4W, 1%. 100 or 250 as required (see table)
USER WIRING (Cont.)
Figure 5 Application wiring
EUROTHERM LIMITED
Faraday Close, Durrington, Worthing, West Sussex, BN13 3PL
Telephone: 01903 695888. Facsimile: 01903 695666
e-mail: [email protected]
Website: http://www.eurotherm.co.uk
HA027489/1 (CN13088)Page 4
INTRODUCTION
This option consists of a circuit board, teminal block and suitable wiring inside a long terminal cover at the rear of the
recorder. The board supplies three mutually isolated dc supplies (nominal 25 Volts) each of which is intended to
power a single 0 to 20mA or 4 to 20 mA current loop.
The circuit board is protected by a 20mm anti-surge (type T) fuse, the value of which depends on the supply voltage
as shown in the table below.
Access to the output wiring and to the fuse is achieved by isolating the recorder from mains power and opening the
terminal cover (after removing its securing screw). The process is fully described below.
Isolated transmitter power supply
Models 5100e / 5100V
284 mm (11.18 in)
213mm (8.39in)
137mm
(5.4in)
25mm
(0.99 in)
Mounting slot
(Left hand side)
Panel thickness
(25.4mm (1 in) max)
View on right hand
side
Safety Isolation
Isolation (dc to 65Hz; BS EN61010) Installation category II; Pollution degree 2.
Channel to channel: 100V RMS or dc (double insulation).
Channel to ground: 100V RMS or dc (basic insulation).
Installation category II
The rated impulse voltage for equipment on
nominal 230V ac mains is 2500V.
Pollution degree 2
Normally, only non-conductive pollution occurs.
Occasionally, however, a temporary conductivity
caused by condensation shall be expected.
SPECIFICATION
Physical
The long terminal cover adds 71 mm (closed) or 186 mm (open) to the back-of-panel length of the recorder, as shown below. Otherwise the recorder dimen-
sions are as given in the recorder user guide.
Supply voltage Fuse rating Part Number
110V ac 100 mA CH050012
120V ac 100 mA CH050012
220V ac 63 mA CH050630
240V ac 63mA CH050630
100mm VIDEO-GRAPHICS RECORDER: ISOLATED TRANSMITTER POWER SUPPLY
Page 3HA027489
Issue 1 Jly 01
HA027489
Issue 1 Jly 01
Page 2
USER WIRING
Figure 4 shows the terminal block pinout, and figure 5 shows typical applications wiring.
O/P1
+
O/P2
+
O/P3
+
USER CONNECTIONS
Figure 4 Terminal block wiring
ACCESS TO THE USER CONNECTIONS/FUSE
1 Isolate the recorder from the supply voltage.
2 At the rear of the recorder remove the terminal cover securing screw (figure 1), taking care to retain it for use in
re-assembly.
3 Open the cover to reveal the circuit board, user connections etc. (figure 2)
Cover securing
screw
Power cord
to recorder
Cable clamp
Fuse
4 The fuse is located as shown in figure 2. User wiring to the terminal block (figures 4 and 5) can be carried out
now, or the terminal cover can be removed for convenience, as described in steps 5 onwards below.
5. Unplug the IEC connector from the rear of the recorder connector panel
6. Remove the cable clamp, retaining the fixings for later re-assembly.
7. Close the terminal cover, and lift it off, as indicated in figure 3.
Figure 1 Retaining screw location
Figure 2 Inside the terminal cover
Terminal
cover
Recorder
Body
View on right hand
side of recorder
Lift off
Figure 3 Lift terminal cover off its hinge.
-
1
-
2
Eurotherm 5100e/5100 Owner's manual
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